<?php

abstract class WPML_Ajax_Update_Link_Targets_In_Content extends WPML_WPDB_User implements IWPML_Ajax_Action {

	/** @var WPML_Translate_Link_Targets_In_Content $translate_link_targets */
	private $translate_link_targets;
	private $post_data;
	/** @var  WPML_Translate_Link_Target_Global_State $translate_link_target_global_state */
	protected $translate_link_target_global_state;

	public function __construct( WPML_Translate_Link_Target_Global_State $translate_link_target_global_state, &$wpdb, $post_data ) {
		parent::__construct( $wpdb );
		$this->translate_link_target_global_state = $translate_link_target_global_state;
		$this->translate_link_targets             = $this->create_translate_link_target();
		$this->post_data                          = $post_data;
	}

	public function run() {
		if ( wp_verify_nonce( $this->post_data['nonce'], 'WPML_Ajax_Update_Link_Targets' ) ) {

			$this->translate_link_target_global_state->clear_rescan_required();

			$last_processed = $this->translate_link_targets->fix( $this->post_data['last_processed'], $this->post_data['number_to_process'] );

			return new WPML_Ajax_Response( true, array(
				'last_processed' => (int)$last_processed,
				'number_left'    => $last_processed ? $this->translate_link_targets->get_number_to_be_fixed( $last_processed + 1 ) : 0,
				'links_fixed'    => $this->translate_link_targets->get_number_of_links_that_were_fixed()

			) );
		} else {
			return new WPML_Ajax_Response( false, 'wrong nonce' );
		}
	}

	abstract protected function create_translate_link_target();

}